X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=tests%2Fbasic;h=c7c4b07fe8b79cdd95220a7f81238221dba45935;hb=29c9d56d32df40c947b8cb2e67987b682b5184fe;hp=832b33a69836a5ba5410ed1b3a8d93a8468c9f93;hpb=deff162a515d6cbd4a657f62d8137c4e82ca7d30;p=monkeysphere.git diff --git a/tests/basic b/tests/basic index 832b33a..c7c4b07 100755 --- a/tests/basic +++ b/tests/basic @@ -5,58 +5,112 @@ # Authors: # Daniel Kahn Gillmor # Jameson Rollins -# Copyright: 2008 +# Micah Anderson +# +# Copyright: 2008-2009 # License: GPL v3 or later -# these tests should all be able to -# as a non-privileged user. +# these tests should all be able to run as a non-privileged user. +# put all the test output to stdout +exec 2>&1 # all subcommands in this script should complete without failure: set -e +# piped commands should return the code of the first non-zero return +set -o pipefail + +# make sure the TESTDIR is an absolute path, not a relative one. +export TESTDIR=$(cd $(dirname "$0") && pwd) + +source "$TESTDIR"/common + +## make sure that the right tools are installed to run the test. the +## test has *more* requirements than plain ol' monkeysphere: +which socat >/dev/null || { echo "You must have socat installed to run this test." ; exit 1; } + +perl -MCrypt::OpenSSL::RSA -e 1 2>/dev/null || { echo "You must have the perl module Crypt::OpenSSL::RSA installed to run this test. +On debian-derived systems, you can set this up with: + apt-get install libcrypt-openssl-rsa-perl" ; exit 1; } + + +perl -MDigest::SHA1 -e 1 2>/dev/null || { echo "You must have the perl module Digest::SHA1 installed to run this test. +On debian-derived systems, you can set this up with: + apt-get install libdigest-sha1-perl" ; exit 1; } + +## FIXME: other checks? + +###################################################################### +### FUNCTIONS # gpg command for test admin user gpgadmin() { - GNUPGHOME="$TEMPDIR"/admin/.gnupg gpg "$@" + chmod 0700 "$TEMPDIR"/admin + GNUPGHOME="$TEMPDIR"/admin/.gnupg gpg --no-tty "$@" } -failed_cleanup() { -# FIXME: can we be more verbose here? - echo 'FAILED!' - cleanup -} +# test ssh connection +# first argument is expected return code from ssh connection +ssh_test() { + umask 0077 -# cleanup: -cleanup() { + CODE=${1:-0} - echo - read -p "press enter to cleanup and remove tmp:" + # start the ssh daemon on the socket + echo "##### starting ssh server..." + socat EXEC:"/usr/sbin/sshd -f ${SSHD_CONFIG} -i -D -e" "UNIX-LISTEN:${SOCKET}" 2> "$TEMPDIR"/sshd.log & + SSHD_PID="$!" - if ( ps $SSHD_PID >/dev/null ) ; then - echo "### stopping still-running sshd..." - kill $SSHD_PID - fi + # wait until the socket is created before continuing + while [ ! -S "$SOCKET" ] ; do + sleep 1 + done + + set +e - echo "### removing temp dir..." - rm -rf "$TEMPDIR" + # make a client connection to the socket + echo "##### starting ssh client..." + ssh-agent bash -c \ + "monkeysphere subkey-to-ssh-agent && ssh -F $TEMPDIR/testuser/.ssh/config testhost true" + RETURN="$?" - wait + # kill the sshd process if it's still running + kill "$SSHD_PID" + SSHD_PID= + + set -e + + echo "##### return $RETURN" + if [ "$RETURN" = "$CODE" ] ; then + echo "##### ssh connection test returned as desired" + return 0 + else + echo "##### ssh connection test failed. expected return code $CODE" + return 1 + fi } +SSHD_PID= + ## setup trap trap failed_cleanup EXIT + +###################################################################### +### SETUP VARIABLES + ## set up some variables to ensure that we're operating strictly in ## the tests, not system-wide: -export TESTDIR=$(pwd) +# set up temp dir -# make temp dir -TEMPDIR="$TESTDIR"/tmp -if [ -e "$TEMPDIR" ] ; then - echo "tempdir '$TEMPDIR' already exists." - exit 1 -fi -mkdir "$TEMPDIR" +# NOTE: /tmp can not be used as the temp dir here, since the +# permissions on /tmp are usually such that they will not pass the +# monkeysphere/ssh path permission checking. If you need to use a +# different location than the current source, please set $TMPDIR +# somewhere with tighter permissions. + +mkdir -p "$TESTDIR"/tmp +TEMPDIR=$(mktemp -d "${TMPDIR:-$TESTDIR/tmp}/monkeyspheretest.XXXXXXX") # Use the local copy of executables first, instead of system ones. # This should help us test without installing. @@ -64,96 +118,253 @@ export PATH="$TESTDIR"/../src:"$TESTDIR"/../src/keytrans:"$PATH" export MONKEYSPHERE_SYSDATADIR="$TEMPDIR" export MONKEYSPHERE_SYSCONFIGDIR="$TEMPDIR" -export MONKEYSPHERE_SYSSHAREDIR="$TESTDIR"/../src -export MONKEYSPHERE_MONKEYSPHERE_USER="$USER" +export MONKEYSPHERE_SYSSHAREDIR="$TESTDIR"/../src/share +export MONKEYSPHERE_MONKEYSPHERE_USER=$(whoami) + export MONKEYSPHERE_CHECK_KEYSERVER=false +# example.org does not respond to the HKP port, so this should cause +# any keyserver connection attempts that do happen (they shouldn't!) +# to hang, so we'll notice them: +export MONKEYSPHERE_KEYSERVER=example.org -SSHD_CONFIG="$TEMPDIR"/sshd_config +export MONKEYSPHERE_LOG_LEVEL=DEBUG +export MONKEYSPHERE_CORE_KEYLENGTH=1024 +export MONKEYSPHERE_PROMPT=false + +export SSHD_CONFIG="$TEMPDIR"/sshd_config export SOCKET="$TEMPDIR"/ssh-socket +# Make sure $DISPLAY is set to convince ssh and monkeysphere to fall +# back on $SSH_ASKPASS. Make sure it's not set to the current actual +# $DISPLAY (if one exists) because this test suite should not be doing +# *anything* with any running X11 session. +export DISPLAY=monkeys + +## make sure that the version number matches the debian changelog +## (don't bother if this is being run from the tests). + +if [ -f "$TESTDIR"/../packaging/debian/changelog ]; then + echo + echo "##################################################" + echo "### checking version string match..." + repver=$(monkeysphere version) + debver=$(head -n1 "$TESTDIR"/../packaging/debian/changelog | sed 's/.*(\([^-]*\)-.*/\1/') + if [ "$repver" = "$debver" ] ; then + echo "Versions match!" + else + printf "reported version string (%s) does not match debian changelog (%s)\n" "$repver" "$debver" + exit 1 + fi +fi + +###################################################################### +### CONFIGURE ENVIRONMENTS + # copy in admin and testuser home to tmp -echo "### copying admin and testuser homes..." -cp -a "$TESTDIR"/home/admin "$TEMPDIR"/ +echo +echo "##################################################" +echo "### configuring testuser home..." cp -a "$TESTDIR"/home/testuser "$TEMPDIR"/ - -cat <> "$TEMPDIR"/testuser/.ssh/config -UserKnownHostsFile $TEMPDIR/testuser/.ssh/known_hosts -ProxyCommand $TEMPDIR/testuser/.ssh/proxy-command %h %p $SOCKET +# set up environment for testuser +export TESTHOME="$TEMPDIR"/testuser +export GNUPGHOME="$TESTHOME"/.gnupg +chmod 0700 "$GNUPGHOME" +export SSH_ASKPASS="$TESTHOME"/.ssh/askpass +export MONKEYSPHERE_HOME="$TESTHOME"/.monkeysphere +cat <> "$TESTHOME"/.ssh/config +UserKnownHostsFile $TESTHOME/.ssh/known_hosts +IdentityFile $TESTHOME/.ssh/no-such-identity +ProxyCommand $TESTHOME/.ssh/proxy-command %h %p $SOCKET EOF - -cat <> "$TEMPDIR"/testuser/.monkeysphere/monkeysphere.conf -KNOWN_HOSTS=$TEMPDIR/testuser/.ssh/known_hosts +cat <> "$MONKEYSPHERE_HOME"/monkeysphere.conf +KNOWN_HOSTS=$TESTHOME/.ssh/known_hosts EOF +get_gpg_prng_arg >> "$GNUPGHOME"/gpg.conf -### SERVER TESTS +echo +echo "##################################################" +echo "### configuring admin home..." +cp -a "$TESTDIR"/home/admin "$TEMPDIR"/ -# setup monkeysphere temp gnupghome directories -mkdir -p -m 750 "$MONKEYSPHERE_SYSDATADIR"/gnupg-host -mkdir -p -m 700 "$MONKEYSPHERE_SYSDATADIR"/gnupg-authentication -cat < "$MONKEYSPHERE_SYSDATADIR"/gnupg-authentication/gpg.conf -primary-keyring ${MONKEYSPHERE_SYSDATADIR}/gnupg-authentication/pubring.gpg -keyring ${MONKEYSPHERE_SYSDATADIR}/gnupg-host/pubring.gpg +# set up sshd +echo +echo "##################################################" +echo "### configuring sshd..." +cp "$TESTDIR"/etc/ssh/sshd_config "$SSHD_CONFIG" +# write the sshd_config +cat <> "$SSHD_CONFIG" +HostKey ${MONKEYSPHERE_SYSDATADIR}/ssh_host_rsa_key +AuthorizedKeysFile ${MONKEYSPHERE_SYSDATADIR}/authorized_keys/%u EOF -# create a new host key -echo "### generating server key..." -# add gpg.conf with quick-random -echo "quick-random" >> "$MONKEYSPHERE_SYSCONFIGDIR"/gnupg-host/gpg.conf -echo | monkeysphere-server gen-key --length 1024 --expire 0 testhost -# remove the gpg.conf -rm "$MONKEYSPHERE_SYSCONFIGDIR"/gnupg-host/gpg.conf -HOSTKEYID=$( monkeysphere-server show-key | tail -n1 | cut -f3 -d\ ) +###################################################################### +### SERVER HOST SETUP + +# import host key +echo +echo "##################################################" +echo "### import host key..." +ssh-keygen -b 1024 -t rsa -N '' -f "$TEMPDIR"/ssh_host_rsa_key +monkeysphere-host import-key "$TEMPDIR"/ssh_host_rsa_key testhost -# certify it with the "Admin's Key". +echo +echo "##################################################" +echo "### getting host key fingerprint..." +HOSTKEYID=$( monkeysphere-host show-key | grep '^OpenPGP fingerprint: ' | cut -f3 -d\ ) +echo "$HOSTKEYID" + +# change host key expiration +echo +echo "##################################################" +echo "### setting host key expiration..." +monkeysphere-host set-expire 1 +# FIXME: how do we check that the expiration has really been set? + +# certify host key with the "Admin's Key". # (this would normally be done via keyservers) -echo "### certifying server key..." -monkeysphere-server gpg-authentication-cmd "--armor --export $HOSTKEYID" | gpgadmin --import +echo +echo "##################################################" +echo "### certifying server host key..." +< "$MONKEYSPHERE_SYSCONFIGDIR"/ssh_host_rsa_key.pub.gpg gpgadmin --import echo y | gpgadmin --command-fd 0 --sign-key "$HOSTKEYID" +# FIXME: add revoker? + # FIXME: how can we test publish-key without flooding junk into the # keyservers? -# add admin as identity certifier for testhost -echo "### adding admin as certifier..." -echo y | monkeysphere-server add-identity-certifier "$TEMPDIR"/admin/.gnupg/pubkey.gpg +# FIXME: should we run "diagnostics" here to test setup? -# initialize base sshd_config -cp etc/ssh/sshd_config "$SSHD_CONFIG" -# write the sshd_config -cat <> "$SSHD_CONFIG" -HostKey ${MONKEYSPHERE_SYSDATADIR}/ssh_host_rsa_key -AuthorizedKeysFile ${MONKEYSPHERE_SYSDATADIR}/authorized_keys/%u + +###################################################################### +### SERVER AUTHENTICATION SETUP + +# set up monkeysphere authentication +echo +echo "##################################################" +echo "### setup monkeysphere authentication..." +cp "$TESTDIR"/etc/monkeysphere/monkeysphere-authentication.conf "$TEMPDIR"/ +cat <> "$TEMPDIR"/monkeysphere-authentication.conf +AUTHORIZED_USER_IDS="$MONKEYSPHERE_HOME/authorized_user_ids" EOF +monkeysphere-authentication setup +get_gpg_prng_arg >> "$MONKEYSPHERE_SYSDATADIR"/authentication/sphere/gpg.conf -# FIXME: teach the "server" about the testuser's key, and update the -# fake authorized_keys file for testuser! +# add admin as identity certifier for testhost +echo +echo "##################################################" +echo "### adding admin as certifier..." +monkeysphere-authentication add-id-certifier "$TEMPDIR"/admin/.gnupg/pubkey.gpg -# launch test sshd with the new host key. -echo "### starting sshd..." -socat EXEC:"/usr/sbin/sshd -f ${SSHD_CONFIG} -i -D -e" "UNIX-LISTEN:${SOCKET}" 2> "$TEMPDIR"/sshd.log & -export SSHD_PID=$! +echo +echo "##################################################" +echo "### list certifiers..." +monkeysphere-authentication list-certifiers -### TESTUSER TESTS +# FIXME: should we run "diagnostics" here to test setup? -# generate an auth subkey for the test user -echo "### generating key for testuser..." -export GNUPGHOME="$TEMPDIR"/testuser/.gnupg -export SSH_ASKPASS="$TEMPDIR"/testuser/.ssh/askpass -export MONKEYSPHERE_HOME="$TEMPDIR"/testuser/.monkeysphere +###################################################################### +### TESTUSER SETUP -monkeysphere gen-subkey --expire 0 +# generate an auth subkey for the test user that expires in 2 days +echo +echo "##################################################" +echo "### generating key for testuser..." +monkeysphere gen-subkey # add server key to testuser keychain +echo +echo "##################################################" echo "### export server key to testuser..." gpgadmin --armor --export "$HOSTKEYID" | gpg --import -# connect to test sshd, using monkeysphere-ssh-proxycommand to verify -# the identity before connection. This should work in both directions! -echo "### testuser connecting to sshd socket..." +# teach the "server" about the testuser's key +echo +echo "##################################################" +echo "### export testuser key to server..." +gpg --export testuser | monkeysphere-authentication gpg-cmd --import + +# update authorized_keys for user +echo +echo "##################################################" +echo "### update server authorized_keys file for this testuser..." +monkeysphere-authentication update-users $(whoami) +# FIXME: this is maybe not failing properly for: +# ms: improper group or other writability on path '/tmp'. -ssh-agent bash -c \ - "monkeysphere subkey-to-ssh-agent && ssh -F $TEMPDIR/testuser/.ssh/config testhost" + +###################################################################### +### TESTS + +# connect to test sshd, using monkeysphere ssh-proxycommand to verify +# the identity before connection. This should work in both directions! +echo +echo "##################################################" +echo "### ssh connection test for success..." +ssh_test + +# remove the testuser's authorized_user_ids file, update, and make +# sure that the ssh authentication FAILS +echo +echo "##################################################" +echo "### removing testuser authorized_user_ids and updating..." +mv "$TESTHOME"/.monkeysphere/authorized_user_ids{,.bak} +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for server authentication denial..." +ssh_test 255 +mv "$TESTHOME"/.monkeysphere/authorized_user_ids{.bak,} + +# put improper permissions on authorized_user_ids file, update, and +# make sure ssh authentication FAILS +echo +echo "##################################################" +echo "### setting group writability on authorized_user_ids and updating..." +chmod g+w "$TESTHOME"/.monkeysphere/authorized_user_ids +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for server authentication denial..." +ssh_test 255 +chmod g-w "$TESTHOME"/.monkeysphere/authorized_user_ids +echo +echo "##################################################" +echo "### setting other writability on authorized_user_ids and updating..." +chmod o+w "$TESTHOME"/.monkeysphere/authorized_user_ids +monkeysphere-authentication update-users $(whoami) +echo +echo "##################################################" +echo "### ssh connection test for server authentication denial..." +ssh_test 255 +chmod o-w "$TESTHOME"/.monkeysphere/authorized_user_ids +monkeysphere-authentication update-users $(whoami) + +# FIXME: addtest: remove admin as id-certifier and check ssh failure + +# FIXME: addtest: add hostname on host key +# FIXME: addtest: revoke hostname on host key and check ssh failure + +# addtest: revoke the host key and check ssh failure +# test to make sure things are OK after the previous tests: +ssh_test +echo +echo "##################################################" +echo "### ssh connection test for server with revoked key..." +# generate the revocation certificate and feed it directly to the test +# user's keyring (we're not publishing to the keyservers) +monkeysphere-host revoke-key | gpg --import +ssh_test 255 + + +###################################################################### trap - EXIT + +echo +echo "##################################################" +echo " Monkeysphere basic tests completed successfully!" +echo "##################################################" + cleanup